package com.chidopi.market.aa.security;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import org.springframework.security.access.AccessDecisionManager;
import org.springframework.security.access.SecurityMetadataSource;
import org.springframework.security.access.intercept.AbstractSecurityInterceptor;
import org.springframework.security.access.intercept.InterceptorStatusToken;
import org.springframework.security.web.FilterInvocation;
import org.springframework.security.web.access.intercept.FilterInvocationSecurityMetadataSource;

public class SecurityInterceptorFilter extends AbstractSecurityInterceptor implements Filter{

	@Override
	public void destroy() {
		
	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		FilterInvocation fi = new FilterInvocation(request, response, chain);
		invoke(fi);
		
	}	
	public void invoke(FilterInvocation fi) throws IOException,	ServletException {
  
		InterceptorStatusToken token = super.beforeInvocation(fi);  
	    try {  
	        fi.getChain().doFilter(fi.getRequest(), fi.getResponse());  
	    } finally {  
	        super.afterInvocation(token, null);  
	    }  	
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		
	}

	@Override
	public Class<? extends Object> getSecureObjectClass() {
		return FilterInvocation.class;
	}

	@Override
	public SecurityMetadataSource obtainSecurityMetadataSource() {	
		return this.securityMetadataSource;
	}
	
    private FilterInvocationSecurityMetadataSource securityMetadataSource;
	
	public FilterInvocationSecurityMetadataSource getSecurityMetadataSource() {
		return this.securityMetadataSource;
	}
	
	public void setSecurityMetadataSource(FilterInvocationSecurityMetadataSource newSource) {
		this.securityMetadataSource = newSource;
	}

	public void setAccessDecisionManager(AccessDecisionManager accessDecisionManager) {
		super.setAccessDecisionManager(accessDecisionManager);
	}
}
